This KKmoon professional oscilloscope has 320 * 240 LCD screen, so you can see the data more clearly, the backlight id adjustable, you can change it in different occasion, it also has 4 speeds of square wa-ve signal output function, and in small size, so you can take it to anywhere you want to use it. Come on and try it.    Features:  With 320 * 240 LCD screen, so you can see the data more clearly.  With 120MHz ana-log bandwidth and 500MS/s sampling rate.  With the function of 4 speeds of square wa-ve signal output: 1kHz,10KHz,100KHz,1MHz.  12 kinds of parameter measurement: Vpp, Vrms, Vavg, Vp, Vmax, Vmin,F,T,T+,T-. Du+, Du-.  Functions: one ke-y oscilloscope, three scan modes: auto, normal and single, 12 kinds of test data, can store 2500 waveforms, support thumbnail browsing.  Waveform parameters such as time base, amplitude and trigger slope can be set by themselves.  Silicone protective cover on both sides of the fuselage, anti-slip, anti-fall and shockproof, comfortable to feel.  Small size and light, so you can take it to anywhere you want to use it.    Specifications:  Material: ABS  Screen: 320 * 240 LCD screen  Impedance:  *1: 1MΩ  *10: 10MΩ  Storage: 2500 DSO waveforms  Use condition: 0C~ +40℃, < 75%RH  Storoge condition: -10C~ +60℃, < 90%RH  Vertical resolution:  8 bits  Vertical accuracy: ±(5%+ 0.2div)  Voltage accuracy：10%  Frequency accuracy：1%  Trigger level: ±3.8div (0. 1div per step)  Trigger position: ± 6div (0. 1div per step)  Time base range: 6ns/div ~ 50s/div  Scan mode: auto, single, normal  Battery: 1 * 18650 lithium battery (included)  Record length: 12div  Package size: 193 * 143 * 44mm  Package weight: 381g    Packing list:  1 * Oscilloscope  1 * Probe  1 * User Manual  1 * USB Cable